Bonz, known as Ghost Kotsuzuka (ゴースト骨塚 Gōsuto Kotsuzuka) in the Japanese version, is a character in the video game, Yu-Gi-Oh! Dungeon Dice Monsters. He is based on Ghost Kozuka from the Yu-Gi-Oh! manga.
A boy who commands a team of horrifying ghosts. His monsters make plants wither, and rot even the ground beneath them.
Bonz's Dice Pool consists of Zombie monsters.